harbaughs, john and jim brothers, coaching the opposing teams. today, they made a little bit of history and abc's josh elliott in new orleans. josh? >> reporter: that's right. here in new orleans it is the ultimate taste of sibling rivalry, two brothers separated by a mere 15 months, leading their respective teams now into the biggest of games which means tussling over 100 yards of turf and really family bragging rights. they shared the world stage today first time ever rival super bowl coaches held a joint press conference before the game and definitely a first for brothers who seem to have much more in common than not. >> i concur. >> i concur. >> i concur. >> reporter: they are just over a year apart in age. john, 50, jim, 49. they shared a room in their to t toledo home and how to share life. >> philosophical commonalities -- >> i would be hard-pressed to spr spell fifphilosophical. >> when it comes to coaching they were forged in same red-hot cauldron of competition, their father a long-time coach and their mother who refused to lose. >> nob